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541456 (2011 JK23)
Classification: Main-belt Asteroid          SPK-ID: 2541456
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1336704487812871 9.8865e-08  
a 3.105341044043975 7.6299e-08 au
q 2.690248713067667 3.547e-07 au
i 15.92044683536121 8.3886e-06 deg
node 89.77093778074996 2.1453e-05 deg
peri 347.1008261326379 4.2255e-05 deg
M 56.4508059240793 2.7467e-05 deg
tp 2458887.077602837465
(2020-Feb-07.57760284)
0.00015755 TDB
period 1998.767973840099
5.47
7.3666e-05
2.017e-07
d
yr
n .1801109507014744 6.6381e-09 deg/d
Q 3.520433375020284 8.6498e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      3952 days (10.82 yr)  
   first obs. used      2010-05-16  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54561  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:17  

Additional Information
 Earth MOID = 1.70779 au 
 Jupiter MOID = 1.73935 au 
 T_jup = 3.148 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.64   .4318 MPCxxxxx autocmod 2.8

541456 (2011 JK23)          Discovered 2011-May-01 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 JK23 = 2010 KT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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